3 papers
physics.app-ph2026
Giant Resonant Reflection Gain from Injection-Induced Quenching in a Tunnel Diode
Darmindra Arumugam, Jack Bush, Brook Feyissa
Negative-resistance microwave oscillators can simultaneously sustain autonomous oscillations and coherently scatter electromagnetic waves, enabling active reflection beyond convent…
physics.atom-ph2026
Stabilization of Rydberg Dissipative Time Crystals Using a Scanning Fabry Perot Interferometer Transfer Lock
Darmindra Arumugam, Brook Feyissa
Stabilization of laser frequencies is critical for sensitive Rydberg measurements, including in applications such as dissipative time crystal (DTC) dynamics, yet conventional appro…
physics.app-ph2024
Remote sensing of soil moisture using Rydberg atoms and satellite signals of opportunity
Darmindra Arumugam, Jun-Hee Park, Brook Feyissa +2
Spaceborne radar remote sensing of the earth system is essential to study natural and man-made changes in the ecosystem, water and energy cycles, weather and air quality, sea level…